At a Glance
Why Get Tested?
To help detect early and/or mild vitamin B12 deficiency, especially at the tissue level; to help diagnose methylmalonic acidaemia, a rare inherited metabolic disorder
When to Get Tested?
If you have a vitamin B12 concentration in the low end of the normal range and/or have symptoms of neuropathy, such as numbness and tingling in the hands and feet
Test Preparation Needed?
You may be instructed to fast before sample collection for this test.